US Bridges

US-60 over Abo Arroyo

Fair

Socorro County, New Mexico · 7.12 MI E of JCT NM-47 · Structure no. 000000000005713

Built
1956
69 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
257 ft
6 main spans
Daily traffic
1,437
2023 count
Owner
State
State Highway Agency

About this bridge

US-60 over Abo Arroyo is a steel continuous stringer/multi-beam or girder carrying US-60 over Abo Arroyo in Socorro County, New Mexico. It was built in 1956, so it is 69 years old, older than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,437 vehicles a day, roughly 11% of them trucks, projected to reach 1,954 by 2043. The structure is 257 ft (78.3 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-60
CrossesAbo Arroyo
Location7.12 MI E of JCT NM-47
RouteU.S. Route 60
Coordinates34.43557, -106.44782
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating30.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length257 ft (78.3 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,437 (2023)
Projected traffic1,954 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US-60 over Abo Arroyo built?

It was built in 1956, making it 69 years old in 2025.

What condition is US-60 over Abo Arroyo in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does US-60 over Abo Arroyo carry?

About 1,437 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US-60 over Abo Arroyo?

The structure is 257 ft (78.3 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns US-60 over Abo Arroyo?

It is owned by the State Highway Agency.